DNF90 服务端与启动器完整源码（含 GM 工具功能增强）
服务端（Go）： - GM 塞背包/带属性装备发放：在线角色推送 op14 增量物品行，背包实时刷新，无需回角色选择界面 - GM 改金币/改等级：去掉在线拒绝，落库后推送 op14 钱包/op37 等级状态，在线实时刷新 - 等级端点统一切换到新版 GMSetCharacterLevel（自带在线刷新） - 无限/锁死疲劳模式 + 燃烧疲劳：每房间消耗 2 点、打怪与通关经验双倍 - 燃烧疲劳开关时给所有在线角色推送系统提示（op12 mode 0） - 深渊史诗掉率：GM 全局倍率 + 城镇增益药剂窗口倍率，真实接入掉落结算 启动器（Python/JS）： - 标题栏自绘、窗口 1204x717、禁止拖拽改大小、仅最小化/关闭 - GM 工具：疲劳与燃烧、深渊史诗掉率、拍卖行上架（单一定价对齐） - 拍卖行上架前端对齐服务端单一价格语义，修复 400 报错
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hanfuit committed
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@@ -0,0 +1,350 @@
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package dnfbridge
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import (
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"crypto/cipher"
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"encoding/binary"
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"errors"
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"math/bits"
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"golang.org/x/crypto/blowfish"
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"golang.org/x/crypto/cast5"
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"golang.org/x/crypto/twofish"
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)
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var errUpperNativeCodecBody = errors.New("invalid upper native codec body")
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var errUpperNativeCodecUnsupported = errors.New("unsupported upper native codec")
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var upperCurrentCodecBaseKey = []byte("2D@+(vhxnw8h!xvb")
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func decodeCurrentUpperClientBody(msgID uint16, body []byte) ([]byte, string, bool, error) {
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if len(body) == 0 {
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return nil, gameUpperClientBodyCodecPlain, false, nil
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}
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idx := int(msgID % 14)
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switch idx {
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case 0:
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out, err := decodeUpperNativeIdx0(body)
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return out, "idx0-xtea-be-ecb16", true, err
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case 1:
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out, err := decodeUpperNativeBlock(body, 8, upperCurrentCodecKey(0, 16), newUpperNativeCAST5Block)
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return out, "idx1-cast5-ecb", true, err
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case 2:
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out, err := decodeUpperNativeIdx2(body)
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return out, "idx2-rc6-byte-s-ecb", true, err
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case 3:
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out, err := decodeUpperNativeBlock(body, 16, upperCurrentCodecKey(12, 32), newUpperNativeTwofishBlock)
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return out, "idx3-twofish-ecb", true, err
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case 4:
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out, err := decodeUpperKey4(body)
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return out, "idx4-aes-ecb", true, err
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case 5:
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out, err := decodeUpperKey5(body)
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return out, "idx5-skipjack-ecb", true, err
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case 7:
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out, err := decodeUpperNativeBlock(body, 8, upperCurrentCodecKey(6, 56), newUpperNativeBlowfishBlock)
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return out, "idx7-blowfish-ecb", true, err
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case 8:
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out, err := decodeUpperNativeIdx8(body)
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return out, "idx8-xtea-le-ecb", true, err
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default:
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return cloneUpperNativeBody(body), "idx-unsupported", false, nil
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}
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}
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func newUpperNativeCAST5Block(key []byte) (cipher.Block, error) {
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return cast5.NewCipher(key)
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}
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func newUpperNativeTwofishBlock(key []byte) (cipher.Block, error) {
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return twofish.NewCipher(key)
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}
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func newUpperNativeBlowfishBlock(key []byte) (cipher.Block, error) {
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return blowfish.NewCipher(key)
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}
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func cloneUpperNativeBody(body []byte) []byte {
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if len(body) == 0 {
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return nil
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}
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return append([]byte(nil), body...)
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}
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func upperCurrentCodecKey(offset, length int) []byte {
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key := make([]byte, length)
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for i := range key {
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key[i] = upperCurrentCodecBaseKey[(offset+i)%len(upperCurrentCodecBaseKey)]
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}
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return key
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}
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func decodeUpperNativeBlock(body []byte, blockSize int, key []byte, newCipher func([]byte) (cipher.Block, error)) ([]byte, error) {
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if len(body) == 0 || len(body)%blockSize != 0 {
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return nil, errUpperNativeCodecBody
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}
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block, err := newCipher(key)
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if err != nil {
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return nil, err
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}
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if block.BlockSize() != blockSize {
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return nil, errUpperNativeCodecBody
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}
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out := make([]byte, len(body))
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for offset := 0; offset < len(body); offset += blockSize {
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block.Decrypt(out[offset:offset+blockSize], body[offset:offset+blockSize])
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}
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return out, nil
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}
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func encodeUpperNativeBlock(body []byte, blockSize int, key []byte, newCipher func([]byte) (cipher.Block, error)) ([]byte, error) {
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if len(body) == 0 || len(body)%blockSize != 0 {
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return nil, errUpperNativeCodecBody
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}
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block, err := newCipher(key)
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if err != nil {
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return nil, err
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}
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if block.BlockSize() != blockSize {
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return nil, errUpperNativeCodecBody
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}
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out := make([]byte, len(body))
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for offset := 0; offset < len(body); offset += blockSize {
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block.Encrypt(out[offset:offset+blockSize], body[offset:offset+blockSize])
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}
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return out, nil
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}
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func decodeUpperNativeIdx0(body []byte) ([]byte, error) {
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if len(body) == 0 || len(body)%16 != 0 {
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return nil, errUpperNativeCodecBody
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}
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key := upperNativeIdx0Subkeys(upperCurrentCodecKey(0, 16))
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out := make([]byte, len(body))
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for offset := 0; offset < len(body); offset += 16 {
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upperNativeIdx0Decrypt8(out[offset:offset+8], body[offset:offset+8], key)
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upperNativeIdx0Decrypt8(out[offset+8:offset+16], body[offset+8:offset+16], key)
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}
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return out, nil
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}
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func encodeUpperNativeIdx0(body []byte) ([]byte, error) {
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if len(body) == 0 || len(body)%16 != 0 {
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return nil, errUpperNativeCodecBody
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}
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key := upperNativeIdx0Subkeys(upperCurrentCodecKey(0, 16))
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out := make([]byte, len(body))
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for offset := 0; offset < len(body); offset += 16 {
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upperNativeIdx0Encrypt8(out[offset:offset+8], body[offset:offset+8], key)
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upperNativeIdx0Encrypt8(out[offset+8:offset+16], body[offset+8:offset+16], key)
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}
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return out, nil
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}
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func upperNativeIdx0Subkeys(key []byte) [4]uint32 {
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return [4]uint32{
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binary.BigEndian.Uint32(key[0:4]),
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binary.BigEndian.Uint32(key[4:8]),
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binary.BigEndian.Uint32(key[8:12]),
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binary.BigEndian.Uint32(key[12:16]),
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}
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}
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func upperNativeIdx0Round(x uint32) uint32 {
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return x + ((x << 4) ^ (x >> 5))
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}
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func upperNativeIdx0Encrypt8(dst, src []byte, key [4]uint32) {
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left := binary.BigEndian.Uint32(src[0:4])
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right := binary.BigEndian.Uint32(src[4:8])
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var sum uint32
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for i := 0; i < 32; i++ {
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left += (sum + key[sum&3]) ^ upperNativeIdx0Round(right)
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sum -= 1640531527
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right += (sum + key[(sum>>11)&3]) ^ upperNativeIdx0Round(left)
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}
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binary.BigEndian.PutUint32(dst[0:4], left)
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binary.BigEndian.PutUint32(dst[4:8], right)
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}
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func upperNativeIdx0Decrypt8(dst, src []byte, key [4]uint32) {
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left := binary.BigEndian.Uint32(src[0:4])
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right := binary.BigEndian.Uint32(src[4:8])
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sum := uint32(0xC6EF3720)
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for i := 0; i < 32; i++ {
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right -= (sum + key[(sum>>11)&3]) ^ upperNativeIdx0Round(left)
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sum += 1640531527
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left -= (sum + key[sum&3]) ^ upperNativeIdx0Round(right)
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}
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binary.BigEndian.PutUint32(dst[0:4], left)
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binary.BigEndian.PutUint32(dst[4:8], right)
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}
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func decodeUpperNativeIdx2(body []byte) ([]byte, error) {
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if len(body) == 0 || len(body)%16 != 0 {
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return nil, errUpperNativeCodecBody
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}
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subkeys := upperNativeIdx2Subkeys(upperCurrentCodecKey(0, 32))
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out := make([]byte, len(body))
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for offset := 0; offset < len(body); offset += 16 {
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upperNativeIdx2DecryptBlock(out[offset:offset+16], body[offset:offset+16], subkeys)
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}
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return out, nil
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}
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func encodeUpperNativeIdx2(body []byte) ([]byte, error) {
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if len(body) == 0 || len(body)%16 != 0 {
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return nil, errUpperNativeCodecBody
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}
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subkeys := upperNativeIdx2Subkeys(upperCurrentCodecKey(0, 32))
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out := make([]byte, len(body))
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for offset := 0; offset < len(body); offset += 16 {
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upperNativeIdx2EncryptBlock(out[offset:offset+16], body[offset:offset+16], subkeys)
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}
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return out, nil
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}
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func upperNativeIdx2Subkeys(key []byte) [44]byte {
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const wordCount = 8
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var l [wordCount]uint32
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for i := len(key) - 1; i >= 0; i-- {
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slot := i >> 2
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l[slot] = (l[slot] << 8) + uint32(key[i])
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}
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var s [44]byte
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s[0] = 99
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for i := 1; i < len(s); i++ {
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s[i] = s[i-1] - 71
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}
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var a, b uint32
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i, j := 0, 0
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for n := 0; n < 3*len(s); n++ {
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a = uint32(byte(bits.RotateLeft32(a+b+uint32(s[i]), 3)))
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s[i] = byte(a)
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b = bits.RotateLeft32(a+b+l[j], int((a+b)&31))
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l[j] = b
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i = (i + 1) % len(s)
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j = (j + 1) % wordCount
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}
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return s
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}
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func upperNativeIdx2EncryptBlock(dst, src []byte, s [44]byte) {
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a := binary.LittleEndian.Uint32(src[0:4])
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b := binary.LittleEndian.Uint32(src[4:8]) + uint32(s[0])
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c := binary.LittleEndian.Uint32(src[8:12])
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d := binary.LittleEndian.Uint32(src[12:16]) + uint32(s[1])
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for round := 1; round <= 20; round++ {
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t := bits.RotateLeft32(b*(2*b+1), 5)
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u := bits.RotateLeft32(d*(2*d+1), 5)
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nextA := bits.RotateLeft32(a^t, int(u&31)) + uint32(s[2*round])
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nextC := bits.RotateLeft32(c^u, int(t&31)) + uint32(s[2*round+1])
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a, b, c, d = b, nextC, d, nextA
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}
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a += uint32(s[42])
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c += uint32(s[43])
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binary.LittleEndian.PutUint32(dst[0:4], a)
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binary.LittleEndian.PutUint32(dst[4:8], b)
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binary.LittleEndian.PutUint32(dst[8:12], c)
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binary.LittleEndian.PutUint32(dst[12:16], d)
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}
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func upperNativeIdx2DecryptBlock(dst, src []byte, s [44]byte) {
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a := binary.LittleEndian.Uint32(src[0:4]) - uint32(s[42])
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b := binary.LittleEndian.Uint32(src[4:8])
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c := binary.LittleEndian.Uint32(src[8:12]) - uint32(s[43])
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d := binary.LittleEndian.Uint32(src[12:16])
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for round := 20; round >= 1; round-- {
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a, b, c, d = d, a, b, c
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u := bits.RotateLeft32(d*(2*d+1), 5)
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t := bits.RotateLeft32(b*(2*b+1), 5)
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c = bits.RotateLeft32(c-uint32(s[2*round+1]), -int(t&31)) ^ u
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a = bits.RotateLeft32(a-uint32(s[2*round]), -int(u&31)) ^ t
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}
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b -= uint32(s[0])
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d -= uint32(s[1])
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binary.LittleEndian.PutUint32(dst[0:4], a)
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binary.LittleEndian.PutUint32(dst[4:8], b)
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binary.LittleEndian.PutUint32(dst[8:12], c)
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binary.LittleEndian.PutUint32(dst[12:16], d)
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}
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func decodeUpperNativeIdx8(body []byte) ([]byte, error) {
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if len(body) == 0 || len(body)%8 != 0 {
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return nil, errUpperNativeCodecBody
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}
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subkeys := upperNativeIdx8Subkeys(upperCurrentCodecKey(14, 16))
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out := make([]byte, len(body))
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for offset := 0; offset < len(body); offset += 8 {
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upperNativeIdx8Decrypt8(out[offset:offset+8], body[offset:offset+8], subkeys)
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}
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return out, nil
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}
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func encodeUpperNativeIdx8(body []byte) ([]byte, error) {
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if len(body) == 0 || len(body)%8 != 0 {
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return nil, errUpperNativeCodecBody
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}
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subkeys := upperNativeIdx8Subkeys(upperCurrentCodecKey(14, 16))
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out := make([]byte, len(body))
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for offset := 0; offset < len(body); offset += 8 {
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upperNativeIdx8Encrypt8(out[offset:offset+8], body[offset:offset+8], subkeys)
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}
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return out, nil
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}
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func upperNativeIdx8Subkeys(key []byte) [64]uint32 {
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words := [4]uint32{
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binary.LittleEndian.Uint32(key[0:4]),
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binary.LittleEndian.Uint32(key[4:8]),
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binary.LittleEndian.Uint32(key[8:12]),
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binary.LittleEndian.Uint32(key[12:16]),
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}
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var subkeys [64]uint32
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var sum uint32
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for i := 0; i < 32; i++ {
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subkeys[i] = sum + words[sum&3]
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sum -= 1640531527
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subkeys[i+32] = sum + words[(sum>>11)&3]
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}
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return subkeys
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}
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func upperNativeIdx8Round(x uint32) uint32 {
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return x + ((x << 4) ^ (x >> 5))
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}
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func upperNativeIdx8Encrypt8(dst, src []byte, subkeys [64]uint32) {
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left := binary.LittleEndian.Uint32(src[0:4])
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right := binary.LittleEndian.Uint32(src[4:8])
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for group := 0; group < 8; group++ {
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base := group * 4
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v8 := (subkeys[base] ^ upperNativeIdx8Round(right)) + left
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v9 := (subkeys[base+32] ^ upperNativeIdx8Round(v8)) + right
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v10 := (subkeys[base+1] ^ upperNativeIdx8Round(v9)) + v8
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v11 := (subkeys[base+33] ^ upperNativeIdx8Round(v10)) + v9
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v12 := (subkeys[base+2] ^ upperNativeIdx8Round(v11)) + v10
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v13 := (subkeys[base+34] ^ upperNativeIdx8Round(v12)) + v11
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left = (subkeys[base+3] ^ upperNativeIdx8Round(v13)) + v12
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right = (subkeys[base+35] ^ upperNativeIdx8Round(left)) + v13
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}
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binary.LittleEndian.PutUint32(dst[0:4], left)
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binary.LittleEndian.PutUint32(dst[4:8], right)
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}
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func upperNativeIdx8Decrypt8(dst, src []byte, subkeys [64]uint32) {
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left := binary.LittleEndian.Uint32(src[0:4])
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right := binary.LittleEndian.Uint32(src[4:8])
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for group := 7; group >= 0; group-- {
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base := group * 4
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v8 := right - (subkeys[base+35] ^ upperNativeIdx8Round(left))
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v9 := left - (subkeys[base+3] ^ upperNativeIdx8Round(v8))
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v10 := v8 - (subkeys[base+34] ^ upperNativeIdx8Round(v9))
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v11 := v9 - (subkeys[base+2] ^ upperNativeIdx8Round(v10))
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v12 := v10 - (subkeys[base+33] ^ upperNativeIdx8Round(v11))
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v13 := v11 - (subkeys[base+1] ^ upperNativeIdx8Round(v12))
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right = v12 - (subkeys[base+32] ^ upperNativeIdx8Round(v13))
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left = v13 - (subkeys[base] ^ upperNativeIdx8Round(right))
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}
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binary.LittleEndian.PutUint32(dst[0:4], left)
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binary.LittleEndian.PutUint32(dst[4:8], right)
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}
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